CAH is a professional audio company, established in 1985. It is currently one of the largest professional audio equipment sales and system engineering contracting companies in Hong Kong. Its main business includes providing services such as equipment sales, technical consultation, engineering design, installation, technical training and maintenance in many fields such as mobile and fixed installation of public address system, performance internal communication system, public broadcasting and background music system, conference and voting system, audio-visual and multimedia technology. In addition to acting as an agent for professional equipment of several well-known brands in Europe and America, the company has also developed and produced a series of products promoted by CAH registered trademarks abroad, including wireless and wired microphones, speakers, power amplifiers, effectors and so on. , with excellent performance and quality, is widely welcomed by customers.

With the rapid development of domestic business, the company signed a strategic cooperation agreement with Tianchuang Digital Group in 20071February, and joined the group as a member enterprise. Tianchuang Digital Group has strong strength, and Foshan Tianchuang Zhongdian Economic and Trade Co., Ltd., one of its members, was established in 1994. In the field of professional audio amplification and conference system market, we have rich industry experience, technologically forward-looking products and perfect sales channels, and established a long-term partnership with professional audio Co., Ltd. to form a strong alliance. Both sides have the same goals and ideals, and each has its own strengths.